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AISI 316Cb Stainless Steel vs. SAE-AISI 1021 Steel

Both AISI 316Cb stainless steel and SAE-AISI 1021 steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 316Cb stainless steel and the bottom bar is SAE-AISI 1021 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
17 to 27
Fatigue Strength, MPa 180
190 to 300
Poisson's Ratio 0.28
0.29
Reduction in Area, % 46
46 to 54
Shear Modulus, GPa 78
73
Shear Strength, MPa 390
310 to 320
Tensile Strength: Ultimate (UTS), MPa 580
480 to 530
Tensile Strength: Yield (Proof), MPa 230
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.4
1.4
Embodied Energy, MJ/kg 61
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
180 to 530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
17 to 19
Strength to Weight: Bending, points 20
17 to 18
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 13
15 to 17

Alloy Composition

Carbon (C), % 0 to 0.080
0.18 to 0.23
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 60.9 to 72
98.8 to 99.22
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0
Niobium (Nb), % 0 to 1.1
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050